ISPGAL22LV10-7LKI

Programmable Logic Device Pld Overview

The ISPGAL22LV10-7LKI is a Simple Programmable Logic Device (SPLD) from Lattice Semiconductor, belonging to the ispGAL family. It features 22 I/O pins and 10 macrocells within a 24-pin PDIP package. The device operates at a maximum frequency of 166 MHz with a typical propagation delay of 7.5 ns. It supports in-system programmability via JTAG but lacks IEEE 1149.1 boundary scan compliance. Operating voltage ranges from 4.75 V to 5.25 V, with a maximum supply current of 140 mA.

Programmable Logic Device Pld Feature Summary

• In-system programmability through JTAG interface without IEEE 1149.1 boundary scan registers
• High-speed performance with 166 MHz max frequency and 7.5 ns propagation delay
• 22 I/Os and 10 macrocells in a standard 24-pin PDIP package
• Compatible with GAL22V10 pinout for direct replacement

Programmable Logic Device Pld Applications

• Logic level translation between different voltage domains
• Address decoding and chip select generation
• Simple state machine implementation
• Bus buffering and protocol conversion

Programmable Logic Device Pld Procurement Notes

Verify component authenticity due to potential availability from third-party distributors. Confirm RoHS compliance status as older revisions may differ. Check for moisture sensitivity handling requirements during storage and assembly. Ensure programming equipment supports JTAG-based in-system programming for this specific device variant.

Programmable Logic Device Pld Selection Notes

Select this part when GAL22V10 compatibility is required with added in-system programmability. Choose over non-isP variants if field updates are necessary. Consider power consumption differences compared to newer FPGA families. Verify package availability matches PCB footprint constraints.

Programmable Logic Device Pld Part Context

This device is part of Lattice's ispGAL series, bridging traditional GAL functionality with modern programmability. It succeeds the GAL22V10 by adding JTAG support while maintaining electrical compatibility. The family targets cost-sensitive applications requiring reprogrammable logic without complex FPGA overhead.

Programmable Logic Device Pld Replacement Considerations

Direct pin-compatible replacements include GAL22V10D-7LP for fixed logic applications. For upgraded programmability, consider ispGAL22V10A-7LI or similar family members. Verify voltage levels and speed grades match original design requirements.